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>Part 3. Beyond the Basics</H1
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>Table of Contents</B
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>9. <A
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>Another Look at Variables</A
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>9.1. <A
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>Internal Variables</A
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>9.2. <A
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>Typing variables: <B
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>declare</B
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	  <B
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>typeset</B
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>9.3. <A
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>$RANDOM: generate random integer</A
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>10. <A
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>Manipulating Variables</A
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>10.1. <A
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>Manipulating Strings</A
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>10.2. <A
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>Parameter Substitution</A
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>Loops and Branches</A
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>11.1. <A
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>Loops</A
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>11.2. <A
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>Nested Loops</A
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>11.3. <A
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>Loop Control</A
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>11.4. <A
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>Testing and Branching</A
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>12. <A
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>Command Substitution</A
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>13. <A
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>Arithmetic Expansion</A
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>Recess Time</A
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